Usar component table do ireport 5.0.4

galera não estou conseguindo usar o componente table do ireport, eu criei o relatorio e add o table, criei os fields no table dataset mas ele da o seguinte erro:

net.sf.jasperreports.engine.design.JRValidationException: Report design not valid : 1. Unknown dataset name Table Dataset 1. at net.sf.jasperreports.engine.design.JRAbstractCompiler.verifyDesign(JRAbstractCompiler.java:271) at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:153) at net.sf.jasperreports.engine.JasperCompileManager.compile(JasperCompileManager.java:240) at net.sf.jasperreports.engine.JasperCompileManager.compileToFile(JasperCompileManager.java:156) at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:439) at com.jaspersoft.ireport.designer.compiler.IReportCompiler.run(IReportCompiler.java:528) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997) Compilation running time: 24!

alguem já usou este componente?

obrigado.